Plug connector



FIG. 1 is a perspective view of the proximal end of the plug connector, in which the broken line showing of the environment is for illustrative purpose only and forms no part of the claimed design;

FIG. 2 is a front elevation view thereof, in which the broken line showing of the environment is for illustrative purpose only and forms no part of the claimed design;

FIG. 3 is a back elevation view thereof, in which the broken line showing of the environment is for illustrative purpose only and forms no part of the claimed design;

FIG. 4 is a left side elevation view thereof, in which the broken line showing of the environment is for illustrative purpose only and forms no part of the claimed design;

FIG. 5 is a right side elevation view thereof, in which the broken line showing of the environment is for illustrative purpose only and forms no part of the claimed design;

FIG. 6 is a top plan view thereof, in which the broken line showing of the environment is for illustrative purpose only and forms no part of the claimed design; and,

FIG. 7 is a bottom plan view thereof top plan view thereof, in which the broken line showing of the environment is for illustrative purpose only and forms no part of the claimed design. 

The ornamental design of a plug connector, as shown and described. 